1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc97122f0b0237d676c071d8aa053213980ae226ed072e54fb3004f56f124ebfd. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f8cc1ca4-07ad-4fa7-a575-854bbf1b944c.json and https://artists.proofprofile.net/proofs/artist/f8cc1ca4-07ad-4fa7-a575-854bbf1b944c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf72c2341926cf83c2b9db771e9d87b9399a161de21a1072889330144ead68d1d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEH742002127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb108246f3cd92fa95a8b0bfa1a721fdac506ac376b92cc0403fd3b987729897. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEH742002128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e3a659a725210c53e30299756f34673e4055ce0ae9b19979cbe6ea7f01ff5ed. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBWUL2101675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x883e4540dedbc79e8dc129b90f26a06e8929e9005ea0d679189a8c5a70b785e9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBWUL2101678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbc5d15ae7d88bc3b1f0410ee6afd87e64ce93c4c434c5bd7dd921f7af9426dd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBWUL2101680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x181232f1b8bcfe9bde9241652b0b6dd0b1223ff8a385184f03c6a40348542a05. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBWUL2101683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f7434ea8f6290706bbe6c8e9e60e2025a1e766993a7424446a721d7d2674b6a. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBWUL2101684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a1401d11b5ba9e7a581dcaa9e6214e093ddb530f638a72cf3031f2b220ec1ba. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBENT1692052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e35c591e087c0c3fa1d62d2c1339ad52e4302ad3cb1dcc46560f2db11a9655. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBENT1692048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44c3c2eced09d78487001bd495117940869760aa925f4b010197f2873a9df2b3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBENT1692033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2011a25a7a5524b5066a201906a4f2af6590e7dfdbb7a3f0c3bf7f5789453722. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK41068153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a438b3461caa462801e58dbb0952d9ebd744a2ffd01ab8fc82a73aa0524670. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK41068158.
3 Years of The Black Hole: Protectors of the Galaxy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb3e9d24e16107920add5514f2826e9cc64930c1d007654960685e24721cfe6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKN6K1902641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe11909ce4c7b84343aa64667aa6dc8026fe3e3f0bbd10aa912fc8a3def3abea. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU1936507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc313e4d2aaa64a0ef56e9fd8436f8217fcdabfae8a2afadd08cc15b328b207. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKN6K2001271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741a460bd7f3ea00a5aaa347e4fe67205f90146c0b46734a84d60b7151600426. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLV62413786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee6e156ac18f48f8ec5bb60cfc425eb67dc6b4cacad50614305e776c49a1db4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42237904.
Nothing But... Tech House Selections, Vol. 18
Nothing But... Hard Techno Selections, Vol. 12